SAN FRANCISCO -- For the past few weeks, air traffic controllers have received partial paychecks because of the federal government shutdown. Starting Tuesday, they will miss their first full paycheck.

Airports nationwide are seeing more delayed and canceled flights due in part to staffing shortages.

U.S. air traffic controllers -- who are considered essential workers -- have been told to keep doing their jobs during the shutdown.

Tuesday marks the first day controllers will go without an entire paycheck.

MORE: Air traffic control staffing problems spiked over the weekend, raising concerns about disruption

Nick Daniels, president of the National Air Traffic Controllers Association, released this statement:

"With each passing day, controllers become more distracted by the risk of rec

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